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Task: Summarize the downfall of a famous villain.

Lord Voldemort

Answer:
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Lord Voldemort was a powerful dark wizard and the main antagonist of the Harry Potter series. He sought to gain immortality and conquest of the Wizarding World by using the deathly hallows and creating an army of devoted followers. However, despite his power and influence, Voldemort was ultimately defeated by Harry Potter. This defeat was due to his own arrogance and refusal to accept help or listen to the advice of those close to him.